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Re: Processor-specific code


On Sun, 17 Apr 2005, Geoffrey Keating wrote:

> > I thought we acted like it is "off", allowing CSE and constant folding 
> > which might be affected by changes in rounding mode.  Certainly some of 
> > Stephen Moshier's testcases (attached to bug 20785) fail.
> 
> The flag that controls this is -ftrapping-math, and it defaults to "on".

I was thinking of -frounding-math, which defaults to "off" and comes with 
a warning in the documentation that it may not yet do everything required.

-- 
Joseph S. Myers               http://www.srcf.ucam.org/~jsm28/gcc/
    jsm@polyomino.org.uk (personal mail)
    joseph@codesourcery.com (CodeSourcery mail)
    jsm28@gcc.gnu.org (Bugzilla assignments and CCs)


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